Michael S Weinstein
Insider
First SEC filing: Jan. 17, 2020 · Latest: Jan. 17, 2020
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-807,524
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 24, 2026 | ARKR | S | 176,701 | $4.57 | $807,524 | 856,111 Indirect | -17.11% | Disposed | -1.5% (price as of 2026-10-02) |
| Aug. 18, 2025 | ARKR | P | 3,000 | $7.50 | $22,500 | 944,461 Indirect | +0.32% | Acquired | -40.0% (price as of 2026-10-02) |
| Aug. 14, 2025 | ARKR | P | 545 | $7.30 | $3,978 | 942,961 Indirect | +0.06% | Acquired | -38.4% (price as of 2026-10-02) |
| Jan. 16, 2020 | ARKR | S | 500 | $22.50 | $11,250 | 942,728 Indirect | -0.05% | Disposed | -80.0% (price as of 2026-10-02) |
| Jan. 16, 2020 | ARKR | S | 1,500 | $22.50 | $33,750 | 942,728 Indirect | -0.16% | Disposed | -80.0% (price as of 2026-10-02) |
| Jan. 8, 2020 | ARKR | S | 500 | $22.30 | $11,150 | 944,728 Indirect | -0.05% | Disposed | -79.8% (price as of 2026-10-02) |
| March 2, 2018 | ARKR | S | 500 | $25.00 | $12,500 | 945,228 Indirect | -0.05% | Disposed | -82.0% (price as of 2026-10-02) |
| Feb. 23, 2018 | ARKR | S | 400 | $25.26 | $10,104 | 945,728 Indirect | -0.04% | Disposed | -82.2% (price as of 2026-10-02) |
| Feb. 22, 2018 | ARKR | S | 300 | $25.21 | $7,563 | 946,128 Indirect | -0.03% | Disposed | -82.1% (price as of 2026-10-02) |
| Feb. 21, 2018 | ARKR | S | 300 | $25.19 | $7,557 | 946,428 Indirect | -0.03% | Disposed | -82.1% (price as of 2026-10-02) |
| Jan. 8, 2018 | ARKR | S | 600 | $26.16 | $15,696 | 946,738 Indirect | -0.06% | Disposed | -82.8% (price as of 2026-10-02) |
| Jan. 8, 2018 | ARKR | S | 600 | $26.16 | $15,696 | 984,669 Direct | -0.06% | Disposed | -82.8% (price as of 2026-10-02) |
| Nov. 21, 2017 | ARKR | S | 300 | $24.15 | $7,245 | 985,269 Direct | -0.03% | Disposed | -81.4% (price as of 2026-10-02) |
| Nov. 4, 2015 | ARKR | G | 113,500 | · | · | 985,569 Direct | -10.33% | Disposed | (price as of 2026-10-02) |
| June 12, 2014 | ARKR | C | 13,500 | $14.49 | $195,615 | 0 Direct | -100.00% | Disposed | -68.9% (price as of 2026-10-02) |
| June 12, 2014 | ARKR | P | 13,500 | $14.40 | $194,400 | 1,099,069 Direct | +1.24% | Acquired | -68.8% (price as of 2026-10-02) |
| June 9, 2014 | ARKR | A | 21,375 | · | · | 21,375 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2014 | ARKR | P | 27,000 | $12.04 | $325,080 | 1,072,069 Direct | +2.58% | Acquired | -62.6% (price as of 2026-10-02) |
| June 3, 2014 | ARKR | P | 13,500 | $14.40 | $194,400 | 1,085,569 Direct | +1.26% | Acquired | -68.8% (price as of 2026-10-02) |
| June 3, 2014 | ARKR | C | 27,000 | $12.04 | $325,080 | 0 Direct | · | Acquired | -62.6% (price as of 2026-10-02) |
| June 3, 2014 | ARKR | C | 13,500 | $14.40 | $194,400 | 13,500 Direct | · | Acquired | -68.8% (price as of 2026-10-02) |
| May 24, 2013 | ARKR | S | 3,400 | $21.29 | $72,386 | 1,045,069 Indirect | -0.32% | Disposed | -78.9% (price as of 2026-10-02) |
| May 22, 2013 | ARKR | S | 2,499 | $21.45 | $53,604 | 1,048,469 Indirect | -0.24% | Disposed | -79.0% (price as of 2026-10-02) |
| May 22, 2013 | ARKR | S | 1,000 | $21.25 | $21,250 | 1,050,968 Indirect | -0.10% | Disposed | -78.8% (price as of 2026-10-02) |
| May 22, 2013 | ARKR | S | 1,000 | $21.25 | $21,250 | 1,050,968 Indirect | -0.10% | Disposed | -78.8% (price as of 2026-10-02) |
| May 22, 2013 | ARKR | S | 2,499 | $21.45 | $53,604 | 1,048,469 Indirect | -0.24% | Disposed | -79.0% (price as of 2026-10-02) |
| May 21, 2013 | ARKR | S | 150 | $21.25 | $3,188 | 1,051,968 Indirect | -0.01% | Disposed | -78.8% (price as of 2026-10-02) |
| May 21, 2013 | ARKR | S | 150 | $21.25 | $3,188 | 1,051,968 Indirect | -0.01% | Disposed | -78.8% (price as of 2026-10-02) |
| Sept. 17, 2012 | ARKR | S | 1,802 | $16.40 | $29,553 | 1,052,118 Indirect | -0.17% | Disposed | -72.6% (price as of 2026-10-02) |
| Sept. 14, 2012 | ARKR | S | 1,500 | $16.40 | $24,600 | 1,053,920 Indirect | -0.14% | Disposed | -72.6% (price as of 2026-10-02) |
| Sept. 13, 2012 | ARKR | S | 1,000 | $16.30 | $16,300 | 1,055,420 Indirect | -0.09% | Disposed | -72.4% (price as of 2026-10-02) |
| Sept. 12, 2012 | ARKR | S | 1,000 | $16.30 | $16,300 | 1,056,420 Indirect | -0.09% | Disposed | -72.4% (price as of 2026-10-02) |
| Sept. 11, 2012 | ARKR | S | 1,000 | $16.25 | $16,250 | 1,057,420 Indirect | -0.09% | Disposed | -72.3% (price as of 2026-10-02) |
| Sept. 10, 2012 | ARKR | S | 1,000 | $16.15 | $16,150 | 1,059,420 Indirect | -0.09% | Disposed | -72.1% (price as of 2026-10-02) |
| Sept. 10, 2012 | ARKR | S | 1,000 | $16.20 | $16,200 | 1,058,420 Indirect | -0.09% | Disposed | -72.2% (price as of 2026-10-02) |
| Aug. 30, 2012 | ARKR | S | 500 | $16.25 | $8,125 | 1,060,420 Indirect | -0.05% | Disposed | -72.3% (price as of 2026-10-02) |
| Aug. 27, 2012 | ARKR | S | 500 | $16.00 | $8,000 | 1,060,920 Indirect | -0.05% | Disposed | -71.9% (price as of 2026-10-02) |
| Aug. 22, 2012 | ARKR | S | 500 | $15.85 | $7,925 | 1,061,420 Indirect | -0.05% | Disposed | -71.6% (price as of 2026-10-02) |
| Aug. 20, 2012 | ARKR | S | 500 | $15.75 | $7,875 | 1,061,920 Indirect | -0.05% | Disposed | -71.4% (price as of 2026-10-02) |
| June 12, 2012 | ARKR | A | 27,000 | · | · | 91,500 Direct | +41.86% | Acquired | (price as of 2026-10-02) |
| May 26, 2011 | ARKR | S | 100 | $17.25 | $1,725 | 13,671 Indirect | -0.73% | Disposed | -73.9% (price as of 2026-10-02) |
| Dec. 19, 2010 | ARKR | A | 6,250 | · | · | 6,250 Direct | · | Acquired | (price as of 2026-10-02) |
| May 7, 2010 | ARKR | A | 13,500 | · | · | 13,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2010 | ARKR | S | 500 | $13.90 | $6,950 | 13,771 Indirect | -3.50% | Disposed | -67.6% (price as of 2026-10-02) |
| Jan. 27, 2010 | ARKR | S | 500 | $13.80 | $6,900 | 14,271 Indirect | -3.39% | Disposed | -67.4% (price as of 2026-10-02) |
| Jan. 26, 2010 | ARKR | S | 600 | $13.80 | $8,280 | 14,771 Indirect | -3.90% | Disposed | -67.4% (price as of 2026-10-02) |
| Dec. 19, 2009 | ARKR | A | 6,250 | · | · | 6,250 Direct | · | Acquired | (price as of 2026-10-02) |
| July 28, 2009 | ARKR | S | 2,000 | $13.50 | $27,000 | 15,371 Indirect | -11.51% | Disposed | -66.7% (price as of 2026-10-02) |
| Dec. 19, 2008 | ARKR | A | 6,250 | · | · | 6,250 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2008 | ARKR | G | 2,400 | · | · | 2,400 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2008 | ARKR | G | 2,400 | · | · | 1,046,249 Direct | -0.23% | Disposed | (price as of 2026-10-02) |
| Dec. 19, 2007 | ARKR | A | 6,250 | · | · | 6,250 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 23, 2007 | ARKR | S | 75 | $36.50 | $2,738 | 17,371 Indirect | -0.43% | Disposed | -87.7% (price as of 2026-10-02) |
| Nov. 20, 2007 | ARKR | S | 425 | $36.50 | $15,512 | 17,446 Indirect | -2.38% | Disposed | -87.7% (price as of 2026-10-02) |
| Nov. 20, 2007 | ARKR | S | 978 | $36.25 | $35,452 | 17,871 Indirect | -5.19% | Disposed | -87.6% (price as of 2026-10-02) |
| Nov. 19, 2007 | ARKR | S | 100 | $36.25 | $3,625 | 18,849 Indirect | -0.53% | Disposed | -87.6% (price as of 2026-10-02) |
| Nov. 19, 2007 | ARKR | S | 400 | $36.42 | $14,568 | 18,949 Indirect | -2.07% | Disposed | -87.6% (price as of 2026-10-02) |
| Oct. 30, 2007 | ARKR | S | 171 | $37.00 | $6,327 | 19,349 Indirect | -0.88% | Disposed | -87.8% (price as of 2026-10-02) |
| Oct. 1, 2007 | ARKR | S | 329 | $37.00 | $12,173 | 19,520 Indirect | -1.66% | Disposed | -87.8% (price as of 2026-10-02) |
| Sept. 24, 2007 | ARKR | S | 400 | $36.80 | $14,720 | 19,849 Indirect | -1.98% | Disposed | -87.8% (price as of 2026-10-02) |
| Sept. 21, 2007 | ARKR | S | 100 | $36.80 | $3,680 | 20,249 Indirect | -0.49% | Disposed | -87.8% (price as of 2026-10-02) |
| Sept. 20, 2007 | ARKR | S | 500 | $36.50 | $18,250 | 20,349 Indirect | -2.40% | Disposed | -87.7% (price as of 2026-10-02) |
| Jan. 4, 2007 | ARKR | X | 12,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 4, 2007 | ARKR | G | 20,000 | · | · | 20,849 Indirect | +2355.71% | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2007 | ARKR | G | 20,000 | · | · | 1,048,649 Direct | -1.87% | Disposed | (price as of 2026-10-02) |
| Jan. 4, 2007 | ARKR | X | 12,500 | $29.60 | $370,000 | 1,068,649 Direct | +1.18% | Acquired | -84.8% (price as of 2026-10-02) |
| Dec. 21, 2006 | ARKR | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 28, 2006 | ARKR | X | 99,000 | $6.30 | $623,700 | 0 Direct | -100.00% | Disposed | -28.6% (price as of 2026-10-02) |
| Aug. 28, 2006 | ARKR | X | 99,000 | $6.30 | $623,700 | 1,056,149 Direct | +10.34% | Acquired | -28.6% (price as of 2026-10-02) |
| Dec. 22, 2005 | ARKR | A | 12,500 | $29.60 | $370,000 | 12,500 Direct | · | Acquired | -84.8% (price as of 2026-10-02) |
| Sept. 21, 2005 | ARKR | S | 35 | $31.80 | $1,113 | 849 Indirect | -3.96% | Disposed | -85.8% (price as of 2026-10-02) |
| Sept. 6, 2005 | ARKR | S | 500 | $31.06 | $15,530 | 884 Indirect | -36.13% | Disposed | -85.5% (price as of 2026-10-02) |
| Aug. 9, 2005 | ARKR | S | 200 | $32.30 | $6,460 | 1,384 Indirect | -12.63% | Disposed | -86.1% (price as of 2026-10-02) |
| Aug. 4, 2005 | ARKR | S | 200 | $32.30 | $6,460 | 1,584 Indirect | -11.21% | Disposed | -86.1% (price as of 2026-10-02) |
| July 21, 2005 | ARKR | S | 16 | $32.75 | $524 | 1,784 Indirect | -0.89% | Disposed | -86.3% (price as of 2026-10-02) |
| Feb. 7, 2005 | ARKR | G | 32,000 | · | · | 947,149 Direct | -3.27% | Disposed | (price as of 2026-10-02) |
| Dec. 10, 2004 | ARKR | G | 750 | · | · | 979,149 Direct | -0.08% | Disposed | (price as of 2026-10-02) |
| Nov. 23, 2004 | ARKR | S | 3,942 | $30.10 | $118,654 | 958,627 Direct | -0.41% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 22, 2004 | ARKR | S | 1,000 | $30.12 | $30,120 | 962,569 Direct | -0.10% | Disposed | -85.1% (price as of 2026-10-02) |
| Nov. 22, 2004 | ARKR | S | 5,700 | $30.10 | $171,570 | 963,569 Direct | -0.59% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 22, 2004 | ARKR | S | 700 | $30.02 | $21,014 | 969,269 Direct | -0.07% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 22, 2004 | ARKR | S | 200 | $30.01 | $6,002 | 969,969 Direct | -0.02% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 22, 2004 | ARKR | S | 6,600 | $30.00 | $198,000 | 970,169 Direct | -0.68% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 19, 2004 | ARKR | S | 2,000 | $30.10 | $60,200 | 976,769 Direct | -0.20% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 18, 2004 | ARKR | S | 3,000 | $30.11 | $90,330 | 978,769 Direct | -0.31% | Disposed | -85.1% (price as of 2026-10-02) |
| Nov. 17, 2004 | ARKR | S | 2,000 | $30.01 | $60,020 | 981,769 Direct | -0.20% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 16, 2004 | ARKR | S | 70 | $30.02 | $2,101 | 983,769 Direct | -0.01% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 15, 2004 | ARKR | S | 300 | $30.02 | $9,006 | 983,839 Direct | -0.03% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 12, 2004 | ARKR | S | 99 | $30.02 | $2,972 | 984,139 Direct | -0.01% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 3, 2004 | ARKR | G | 100 | · | · | 979,849 Direct | -0.01% | Disposed | (price as of 2026-10-02) |
| Nov. 3, 2004 | ARKR | S | 2,089 | $30.00 | $62,670 | 979,949 Direct | -0.21% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 2, 2004 | ARKR | S | 2,200 | $30.00 | $66,000 | 982,038 Direct | -0.22% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 2, 2004 | ARKR | S | 299 | $30.02 | $8,976 | 1,800 Indirect | -14.24% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 2, 2004 | ARKR | S | 96 | $30.03 | $2,883 | 2,099 Indirect | -4.37% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 2, 2004 | ARKR | S | 199 | $30.04 | $5,978 | 2,195 Indirect | -8.31% | Disposed | -85.0% (price as of 2026-10-02) |
| Nov. 2, 2004 | ARKR | S | 2,406 | $30.00 | $72,180 | 2,394 Indirect | -50.12% | Disposed | -85.0% (price as of 2026-10-02) |
| Oct. 15, 2004 | ARKR | S | 100 | $31.00 | $3,100 | 984,238 Direct | -0.01% | Disposed | -85.5% (price as of 2026-10-02) |
| June 4, 2004 | ARKR | S | 5,000 | $22.00 | $110,000 | 4,800 Indirect | -51.02% | Disposed | -79.5% (price as of 2026-10-02) |
| May 24, 2004 | ARKR | S | 30,000 | $21.56 | $646,800 | 984,338 Direct | -2.96% | Disposed | -79.1% (price as of 2026-10-02) |
| Feb. 6, 2004 | ARKR | X | 60,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 104 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 12, 2014 | ARKR | Stock Options | Common Stock | $14.40 | June 12, 2022 | 13,500 | Disposed |
| June 9, 2014 | ARKR | Stock Options | Common Stock | $22.50 | June 9, 2024 | 21,375 | Acquired |
| June 3, 2014 | ARKR | Stock Options | Common Stock | $12.04 | May 6, 2019 | 27,000 | Acquired |
| June 3, 2014 | ARKR | Common Stock | Common Stock | $14.40 | June 12, 2022 | 13,500 | Acquired |
| June 12, 2012 | ARKR | Options | Common Stock | $14.40 | June 12, 2022 | 27,000 | Acquired |
| Dec. 19, 2010 | ARKR | Stock Options | Common Stock | $32.15 | Dec. 18, 2016 | 6,250 | Acquired |
| May 7, 2010 | ARKR | Stock Options | Common Stock | $12.04 | May 6, 2019 | 13,500 | Acquired |
| Dec. 19, 2009 | ARKR | Stock Options | Common Stock | $32.15 | Dec. 18, 2016 | 6,250 | Acquired |
| Dec. 19, 2008 | ARKR | Stock Options | Common Stock | $32.15 | Dec. 18, 2016 | 6,250 | Acquired |
| Dec. 19, 2007 | ARKR | Stock Options | Common Stock | $32.15 | Dec. 18, 2016 | 6,250 | Acquired |
| Jan. 4, 2007 | ARKR | Stock Options | Common Stock | $29.60 | Dec. 20, 2014 | 12,500 | Disposed |
| Dec. 21, 2006 | ARKR | Stock Options | Common Stock | $29.60 | Dec. 20, 2014 | 12,500 | Acquired |
| Aug. 28, 2006 | ARKR | Stock Options | Common Stock | $6.30 | Dec. 17, 2006 | 99,000 | Disposed |
| Dec. 22, 2005 | ARKR | Stock Options | Common Stock | $29.60 | Dec. 20, 2014 | 12,500 | Acquired |
| Feb. 6, 2004 | ARKR | Stock Options | Common Stock | $10.00 | April 22, 2004 | 60,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | · | · | · | · | · | · | · | · |
| 2024 | · | · | · | · | · | · | · | · |
| 2023 | · | · | · | · | · | · | · | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.